WaveStar Color Monitor_____________________________________________________________
Ctrl Nr: PM375103 Revision: 003
14
2.5.1
Remote Power Panel (RPP)
2.5.1
JCOMM
When a JCOMM has a Color Monitor, the customer Modbus RTU connections are made to the
JCOMM Connections Panel on the left inside of the unit.
Figure 9 JCOMM Modbus Connections
On PDI RPPs the Color
Monitor
upstream
Modbus connection is
brought to a terminal
block for convenient
customer connection.
Downstream connections
are internal to the RPP
and are wired at the
factory.
Internal Label shows
Modbus RTU wiring.
TX+
TX-
RX+
RX-
Common
JCOMM Connections
Panel
(Left Side of JCOMM)
Modbus Out
Connector
Modbus In
Connector
TX+
TX-
RX+
RX-
Common
Modbus Plug
Wiring 4-Wire
Modbus Plug
Wiring 2-Wire with
2-Wire Jumpers
Figure 8 Modbus RTU Customer Connection: RPP Upstream
